Sharks and dogfishes have cylindrical body while skates and rays have both of their pectoral fins fused. It gives a wing-like appearance and are not distinct from body. Related Theory Sharks have a pectoral fin behind the head on either side of its body. These are ofien elongated and are used to keep the shark from sinking to the bottom of the ocean, as well as for steering the fish. The shark's fins are rigid and elongated. They are supported by cartilaginous, non-segmented rods called ceratotrichia. This strength and rigidity helps the animal to move swifly and with agility. particularly useful when in pursuit of prey that darts away. Rays have flattened disk-like bodies with five gills exit openings and their mouth generally located on their underside. They have large pectoral fins, which they move like wings to travel in the water, and their tails are generally long and slender. with many species having one or more sharp, venomous spines that can be used to inflict painful wounds.
Sharks and dogfishes differ from skates and rays because:
NEET UG 2013 — Botany Animal Kingdom
Sharks and dogfishes differ from skates and rays because:
Held on 30 Apr 2013 · Verified 9 Jul 2026.
Options
- A
gill slits are ventrally placed
- B
head and trunk are widened considerably
- C
distinct demarcation between body and tail
- D
their pectoral fins distinctly marked off from cylindrical bodies.
Did you get this right?
Sign in to track your attempts and accuracy.
Your note
Sign in to keep a private note on this question. Nothing you write is ever public.
NEET UG Animal Kingdom in other years
More NEET UG Animal Kingdom questions
Role of the water vascular system in Echinoderms is : A. Respiration and Locomotion B. Excretion and Locomotion C. Capture and transport of food D. Digestion and Respiration E. Digestion and Excretion Choose the correct answer from the options given below :
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : All vertebrates are chordates but all chordates are not vertebrate. Reason (R) : The members of subphylum vertebrata possess notochord during the embryonic period, the notochord is replaced by cartilaginous or bony vertebral column in adults. In the light of the above statements, choose the correct answer from the options given below:
All living members of the class Cyclostomata are :
While trying to find out the characteristic of a newly found animal, a researcher did the histology of adult animal and observed a cavity with presence of mesodermal tissue towards the body wall but no mesodermal tissue was observed towards the alimentary canal. What could be the possible coelome of that animal?
Match List-I with List-II. \begin{array}{|l|l|l|l|}\hline & List-I & & List-II \\\hline A. & Chondrichthyes & I. & Clarias \\\hline B. & Cyclostomata & II. & Carcharodon \\\hline C. & Osteichthyes & III. & Myxine \\\hline D. & Amphibia & IV. & Ichthyophis \\\hline\end{array} Choose the correct answer from the options given below:
Other Botany topics for NEET UG
Keep practicing Animal Kingdom
Work through every NEET UG Animal Kingdom PYQ, year by year.